From blaming him for the renewed collapse of the Greek economy to accusing him of illegally plotting Greece’s exit from the eurozone, it has become fashionable to disparage Yanis Varoufakis, the country’s former finance minister.

Steadily and indisputably, the financial services industry — with which we all interact, whether as borrowers, savers, investors or regulators — has embarked on a multiyear transformation.This process, slow at first, has been driven by the combined impact of two sets of durable f